Generic DISON Bluetooth Ear muffs, 36dB Noise Reduction Safety Earmuffs, Wireless Hearing Protection Headphonesâ€

Blue-tooth version 5.0 Bluetooth transmission distance is more than 10meters, we have try even 20meters long, it can be still connected the phone. Effective Noise Reduction The Headphone have a protection from the noise. CE EN352-1 SNR:36dB ANSI S3.19 NRR:29dB Entertainment Premium Sound Quality is perfect for playing games with teammates, Communicate while playing. Working Stay away from boring work. If the phone is connect with the earmuff, You can listen to music or make phone calls when working. TIPS： Before using the earmuff, please close the lip protection to your ears without any gaps,otherwise it will effect the noise reduction of the earmuffs. Dison Earmuff acts by absorbing sound and echo that cannot completely proof sound. While completely soundproofed environment would be more dangerous where risks are hardly detectable. What’s the difference between noise reduction and sound insulation? Noise reduction: Reduce noise damage to hearing; Sound insulation: Eliminate the sounds, but sound insulation is far more harmful than noise, because people can't predict the danger in that situation.

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